diff --git a/script/lib/util.py b/script/lib/util.py
index f80b1f145a..1e5ddecce5 100644
--- a/script/lib/util.py
+++ b/script/lib/util.py
@@ -25,11 +25,13 @@ from lib.config import is_verbose_mode
 ELECTRON_DIR = os.path.abspath(
   os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
 )
+TS_NODE = os.path.join(ELECTRON_DIR, 'node_modules', '.bin', 'ts-node')
 SRC_DIR = os.path.abspath(os.path.join(__file__, '..', '..', '..', '..'))
 
 NPM = 'npm'
 if sys.platform in ['win32', 'cygwin']:
   NPM += '.cmd'
+  TS_NODE += '.cmd'
 
 
 def tempdir(prefix=''):
diff --git a/script/release/uploaders/upload-to-github.js b/script/release/uploaders/upload-to-github.ts
similarity index 82%
rename from script/release/uploaders/upload-to-github.js
rename to script/release/uploaders/upload-to-github.ts
index 0f08fbc7c2..c998e2f42e 100644
--- a/script/release/uploaders/upload-to-github.js
+++ b/script/release/uploaders/upload-to-github.ts
@@ -1,12 +1,12 @@
-if (!process.env.CI) require('dotenv-safe').load();
+import { Octokit } from '@octokit/rest';
+import * as fs from 'fs';
 
-const fs = require('fs');
-
-const { Octokit } = require('@octokit/rest');
 const octokit = new Octokit({
   auth: process.env.ELECTRON_GITHUB_TOKEN
 });
 
+if (!process.env.CI) require('dotenv-safe').load();
+
 if (process.argv.length < 6) {
   console.log('Usage: upload-to-github filePath fileName releaseId');
   process.exit(1);
@@ -14,13 +14,20 @@ if (process.argv.length < 6) {
 
 const filePath = process.argv[2];
 const fileName = process.argv[3];
-const releaseId = process.argv[4];
+const releaseId = parseInt(process.argv[4], 10);
 const releaseVersion = process.argv[5];
 
-const getHeaders = (filePath, fileName) => {
+if (isNaN(releaseId)) {
+  throw new Error('Provided release ID was not a valid integer');
+}
+
+const getHeaders = (filePath: string, fileName: string) => {
   const extension = fileName.split('.').pop();
+  if (!extension) {
+    throw new Error(`Failed to get headers for extensionless file: ${fileName}`);
+  }
   const size = fs.statSync(filePath).size;
-  const options = {
+  const options: Record<string, string> = {
     json: 'text/json',
     zip: 'application/zip',
     txt: 'text/plain',
@@ -41,8 +48,11 @@ function uploadToGitHub () {
   octokit.repos.uploadReleaseAsset({
     url: uploadUrl,
     headers: getHeaders(filePath, fileName),
-    data: fs.createReadStream(filePath),
-    name: fileName
+    data: fs.createReadStream(filePath) as any,
+    name: fileName,
+    owner: 'electron',
+    repo: targetRepo,
+    release_id: releaseId
   }).then(() => {
     console.log(`Successfully uploaded ${fileName} to GitHub.`);
     process.exit();
diff --git a/script/release/uploaders/upload.py b/script/release/uploaders/upload.py
index d03c359391..5fb7af36e6 100755
--- a/script/release/uploaders/upload.py
+++ b/script/release/uploaders/upload.py
@@ -20,7 +20,7 @@ from lib.config import PLATFORM, get_target_arch,  get_env_var, s3_config, \
                        get_zip_name, enable_verbose_mode, get_platform_key
 from lib.util import get_electron_branding, execute, get_electron_version, \
                      s3put, get_electron_exec, get_out_dir, \
-                     SRC_DIR, ELECTRON_DIR
+                     SRC_DIR, ELECTRON_DIR, TS_NODE
 
 
 ELECTRON_REPO = 'electron/electron'
@@ -337,8 +337,8 @@ def upload_io_to_github(release, filename, filepath, version):
   print('Uploading %s to Github' % \
       (filename))
   script_path = os.path.join(
-    ELECTRON_DIR, 'script', 'release', 'uploaders', 'upload-to-github.js')
-  execute(['node', script_path, filepath, filename, str(release['id']),
+    ELECTRON_DIR, 'script', 'release', 'uploaders', 'upload-to-github.ts')
+  execute([TS_NODE, script_path, filepath, filename, str(release['id']),
           version])